/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.view;

import com.example.android.apis.R;

import android.app.Activity;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.TextSwitcher;
import android.widget.TextView;
import android.widget.ViewSwitcher;

/**
 * Uses a TextSwitcher.
 */
public class TextSwitcher1 extends Activity implements
		ViewSwitcher.ViewFactory, View.OnClickListener {

	private TextSwitcher mSwitcher;

	private int mCounter = 0;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		setContentView(R.layout.text_switcher_1);

		mSwitcher = (TextSwitcher) findViewById(R.id.switcher);
		mSwitcher.setFactory(this);

		Animation in = AnimationUtils.loadAnimation(this,
				android.R.anim.fade_in);
		Animation out = AnimationUtils.loadAnimation(this,
				android.R.anim.fade_out);
		mSwitcher.setInAnimation(in);
		mSwitcher.setOutAnimation(out);

		Button nextButton = (Button) findViewById(R.id.next);
		nextButton.setOnClickListener(this);

		updateCounter();
	}

	public void onClick(View v) {
		mCounter++;
		updateCounter();
	}

	private void updateCounter() {
		mSwitcher.setText(String.valueOf(mCounter));
	}

	public View makeView() {
		TextView t = new TextView(this);
		t.setGravity(Gravity.TOP | Gravity.CENTER_HORIZONTAL);
		t.setTextSize(36);
		return t;
	}
}
